according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.
step-by-step explanation:
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answer: h
step-by-step explanation:
Answer from: Quest
hope this is what you were asking for!
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Answer from: Quest
c.
step-by-step explanation:
substitution for (0,1)
y=x^2+4x+1
1=0^2+4(x)0+1
1=0+4(x)0+1
1=4(x)0+1
1=0+1
1=1
substitution for (-3,-2)
y=x+1
-2=-3+1
-2=-2
Another question on Mathematics
Mathematics, 21.06.2019 13:00
If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).